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Pneumoconiosis

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https://www.readbyqxmd.com/read/28514304/diagnostic-and-clinical-application-value-of-magnetic-resonance-imaging-mri-for-progressive-massive-fibrosis-of-coal-worker-pneumoconiosis-case-reports
#1
Lansheng Zhang, Chun Wang, Qiuyue Yan, Tao Zhang, Zhengxiang Han, Guan Jiang
RATIONALE: Using magnetic resonance imaging (MRI), we diagnosed pneumoconiosis by identifying the content and distribution of hydrogen protons in the water molecules in different tissues and lesions. PATIENT CONCERNS: 25 cases of CWP patients with progressive massive fibrosis (PMF) lesions. DIAGNOSES: Patients were correctly diagnosed, with one case each of Phase I and II pneumoconiosis and 23 cases of Phase III pneumoconiosis. INTERVENTIONS: None...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28497853/respiratory-morbidity-among-u-s-coal-miners-in-states-outside-of-central-appalachia
#2
Laura E Reynolds, David J Blackley, Anthony S Laney, Cara N Halldin
BACKGROUND: Recent NIOSH publications have focused on the respiratory health of coal miners in central Appalachia, yet 57% of U.S. coal miners work in other regions. We characterized respiratory morbidity in coal miners from these regions. METHODS: Active coal miners working outside of central Appalachia who received chest radiographs and/or spirometry during 2005-2015 were included. Chest radiographs were classified according to International Labour Office standards and spirometry was interpreted using the American Thoracic Society guidelines...
May 12, 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28481235/survival-analysis-of-coal-workers-pneumoconiosis-cwp-patients-in-a-state-owned-mine-in-the-east-of-china-from-1963-to-2014
#3
Lei Han, Qianqian Gao, Jingjin Yang, Qiuyun Wu, Baoli Zhu, Hengdong Zhang, Bangmei Ding, Chunhui Ni
To investigate the mortality probability, life expectancy of coal workers' pneumoconiosis (CWP), and related factors of life expectancy, a total of 495 patients with CWP were diagnosed and reported from 1963 to 2014 in a state-owned mine in the east of China. The life table method, log rank method, and Cox regression model were used for survival analysis. 95 out of 495 CWP died during this period. The mortality rate was 19.19%. The average life span was 12.1 (0.0-33.2) years and average death age was 57.4 (33...
May 6, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28444932/the-association-of-lamb1-polymorphism-and-expression-changes-with-the-risk-of-coal-workers-pneumoconiosis
#4
Xiaoming Ji, Baiqun Wu, Ruhui Han, Jingjin Yang, Esther Ayaaba, Ting Wang, Lei Han, Chunhui Ni
BACKGROUND: Pneumoconiosis is a serious occupational disease worldwide, which is characterized by irreversible and diffuse lung fibrotic lesions. Laminin beta 1(LAMB1) is widely expressed in tissues and it is crucial for both lung morphogenesis and physiological function. In this study, we explored the association between LAMB1 rs4320486 and risk of pneumoconiosis in a Chinese population, as well as its mechanisms. METHODS: In this case-control study, 600 CWP patients and 605 controls were genotyped for the LAMB1 rs4320486 polymorphism using TaqMan methods...
April 26, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28442577/association-between-exposure-in-the-cement-production-industry-and-non-malignant-respiratory-effects-a-systematic-review
#5
Anne Kristin Møller Fell, Karl Christian Nordby
OBJECTIVES: Based on findings from a systematic literature search, we present and discuss the evidence for an association between exposure to cement dust and non-malignant respiratory effects in cement production workers. DESIGN AND SETTING: Systematic literature searches (MEDLINE and Embase) were performed. Outcomes were restricted to respiratory symptoms, lung function indices, asthma, chronic bronchitis, chronic obstructive pulmonary disease, pneumoconiosis, induced sputum or fraction of exhaled nitric oxide (FeNO) measurements...
April 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28430556/pneumoconioses-radiographs-in-a-large-population-of-u-s-coal-workers-variability-in-a-reader-and-b-reader-classifications-by-using-the-international-labour-office-classification
#6
Cara N Halldin, David J Blackley, Edward L Petsonk, A Scott Laney
Purpose To assess the level of concordance between chest radiographic classifications of A and B Readers in a national surveillance program offered to U.S. coal miners over an approximate 36-year period. Materials and Methods The National Institute for Occupational Safety and Health (NIOSH) Coal Workers' Health Surveillance Program (CWHSP) is a surveillance program with nonresearch designation and is exempt from Human Subjects Review Board approval (11-DRDS-NR03). Thirty-six years of data (1979-2015) from the CWHSP were analyzed, which included all conventional screen-film radiographs with a classification by at least one A Reader and one B Reader...
April 21, 2017: Radiology
https://www.readbyqxmd.com/read/28408654/radiographic-disease-progression-in-contemporary-us-coal-miners-with-progressive-massive-fibrosis
#7
A Scott Laney, David John Blackley, Cara N Halldin
INTRODUCTION: Among contemporary US coal miners, there has been an increase in the prevalence and severity of pneumoconiosis, including its advanced form progressive massive fibrosis (PMF). We examine radiographic progression in Coal Workers' Health Surveillance Program (CWHSP) participants. METHODS: CWHSP participants with a final determination of PMF during 1 January 2000-1 October 2016 with at least one prior radiograph in the system were included. We characterised demographics, participation and progression patterns...
April 13, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28393722/positive-fdg-pet-ct-findings-in-a-patient-with-pneumoconiosis
#8
Tomohiro Tamura, Gen Ohara, Katsunori Kagohashi, Hiroaki Satoh
No abstract text is available yet for this article.
December 2016: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28393716/pneumoconiosis-in-different-sectors-and-their-differences-in-turkey
#9
Nur Şafak Alıcı, Arif Çımrın, Ayşe Coşkun Beyan
Introduction: Pneumoconiosis which is one of the ancient diseases, still affects many workers throughout the world despite "existing" control programs. We add data from a single center reviewing risk factors for pneumoconiosis; evaluate functional and radiological findings in different sectors. Materials and Methods: We reviewed medical records of patients diagnosed with pneumoconiosis who were admitted to our center between the years 2013 and 2015. Several personal and occupational features, together with functional and radiologic data, were collected...
December 2016: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28370783/coal-mine-dust-lung-disease-in-the-modern-era
#10
REVIEW
Jennifer L Perret, Brian Plush, Philippe Lachapelle, Timothy S C Hinks, Clare Walter, Philip Clarke, Louis Irving, Pat Brady, Shyamali C Dharmage, Alastair Stewart
Coal workers' pneumoconiosis (CWP), as part of the spectrum of coal mine dust lung disease (CMDLD), is a preventable but incurable lung disease that can be complicated by respiratory failure and death. Recent increases in coal production from the financial incentive of economic growth lead to higher respirable coal and quartz dust levels, often associated with mechanization of longwall coal mining. In Australia, the observed increase in the number of new CWP diagnoses since the year 2000 has necessitated a review of recommended respirable dust exposure limits, where exposure limits and monitoring protocols should ideally be standardized...
May 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28366148/-positive-fdg-pet-ct-findings-in-a-patient-with-pneumoconiosis
#11
Tomohiro Tamura, Gen Ohara, Katsunori Kagohashi, Hiroaki Satoh
No abstract text is available yet for this article.
December 2016: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28366140/-pneumoconiosis-in-different-sectors-and-their-differences-in-turkey
#12
Nur Şafak Alıcı, Arif Çımrın, Ayşe Coşkun Beyan
Introduction: Pneumoconiosis which is one of the ancient diseases, still affects many workers throughout the world despite "existing" control programs. We add data from a single center reviewing risk factors for pneumoconiosis; evaluate functional and radiological findings in different sectors. Materials and Methods: We reviewed medical records of patients diagnosed with pneumoconiosis who were admitted to our center between the years 2013 and 2015. Several personal and occupational features, together with functional and radiologic data, were collected...
December 2016: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28361545/progressive-massive-fibrosis-in-patients-with-pneumoconiosis-utility-of-mri-in-differentiating-from-lung-cancer
#13
Yukihiro Ogihara, Kazuto Ashizawa, Hideyuki Hayashi, Takeshi Nagayasu, Tomayoshi Hayashi, Sumihisa Honda, Masataka Uetani
Background It is occasionally difficult to distinguish progressive massive fibrosis (PMF) from lung cancer on computed tomography (CT) in patients with pneumoconiosis. Purpose To evaluate the magnetic resonance imaging (MRI) features of PMF and to assess its ability to differentiate PMF from lung cancer. Material and Methods Between 2000 and 2014, 40 pulmonary lesions suspected to be lung cancer on the basis of CT in 28 patients with known pneumoconiosis were evaluated. Twenty-four of the 40 lesions were pathologically or clinically diagnosed as PMF...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28355704/-a-trend-analysis-of-the-incidence-of-occupational-diseases-in-chongqing-china-from-2006-to-2014
#14
X C Liu, D Luo, G L Liu, J Y Zhang, H D Zhang, S Q Cheng
Objective: To investigate the incidence of occupational diseases in Chongqing, China, from 2006 to 2014, and to analyze the harm, features, and trend of occupational diseases in Chongqing. Methods: The data of new cases of occupational diseases from 2006 to 2014 were collected, and the patients with a confirmed diagnosis of occupational diseases were selected as study subjects to analyze the incidence of occupational diseases in Chongqing. Results: There were 17499 cases of occupational diseases in total in Chongqing from 2006 to 2014...
February 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28355701/-incidence-and-trend-of-occupational-diseases-in-ningbo-china-from-2006-to-2015
#15
X H Li, A H Wang, P B Leng, G L Bian
Objective: To investigate the incidence, distribution features, and incidence trend of occupational diseases in Ningbo, China, from 2006 to 2015. Methods: In February 2016, the data on occupational disease report cards in the occupational disease and occupational health information system from 2006 to 2015 were collected to perform a comprehensive analysis of the types, incidence trend, population characteristics, and enterprise characteristics of occupational diseases. Results: There were 845 new cases of occupational diseases in Ningbo from 2006 to 2015, among which 596 (70...
February 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28272360/mortality-in-miners-with-coal-workers-pneumoconiosis-in-the-czech-republic-in-the-period-1992-2013
#16
Hana Tomášková, Anna Šplíchalová, Hana Šlachtová, Pavel Urban, Zdeňka Hajduková, Irena Landecká, Rostislav Gromnica, Petr Brhel, Daniela Pelclová, Zdeněk Jirák
While working underground, miners are exposed to a number of risk factors that have a negative impact on their health and may be a cause of an increased mortality in miners. The aim of the study was to compare total and specific mortality in black coal miners with acknowledged coal-workers' pneumoconiosis (CWP) and without CWP, and the mortality of the general male population in the Czech Republic in the period 1992-2013. The sample consisted of 3476 coal miners with CWP and 6687 ex-coal miners without CWP, who were removed after achieving the maximum permissible exposure (MPE)...
March 7, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28263202/daytime-blood-pressure-surges-following-hypoxic-episodes-in-a-case-of-pneumoconiosis-with-lacunar-stroke-recurrences
#17
Yuki Imaizumi, Kazuomi Kario, Kazuo Eguchi, Akira Taketomi
No abstract text is available yet for this article.
June 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28241708/-the-process-and-thinking-of-further-consultation-about-one-case-of-cement-pneumoconiosis
#18
R K Jiang, P C Liu, X J Liu
No abstract text is available yet for this article.
January 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28241707/-the-analysis-of-pathogens-distribution-and-drug-resistance-of-bacteria-in-sputum-samples-of-pneumoconiosis-patients-combined-with-lower-respiratory-tract-infection
#19
Y Xin, N Zhang
Objective: To guide the rational use of antibiotic drugs in clinical practice for doctors by the analysis of pathogens distribution, transition and drug resistance of bacteria in sputum samples of pneumoconiosis patients combined with lower respiratory tract infection. Methods: 2 199 qualified sputum samples from 214 pneumoconiosis patients collected from January 2008 to December 2012 were examined by bacterium or fungus education. BioMerieux API and Eastern Cowin application software were used to do bacterial identification, and K-B method recommended by the NCCLS was used to take drug sensitivity tests...
January 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28241701/-application-of-means-of-surfaces-with-nonhomogeneity-in-estimating-the-incidence-of-pneumoconiosis
#20
C X Zhao, J Zhang, S B Hao, J Zhang, P Xu, Y W Can, J Q Zhao, J G Li
Objective: To investigate the value of means of surfaces with nonhomogeneity (MSN) in esti-mating the incidence of pneumoconiosis. Methods: Based on the principal component analysis, all counties (districts) of Hebei Province, China, were divided into three categories according to the degree of pneumoconiosis hazards and the MSN model was used to estimate the incidence rate of pneumoconiosis and the number of pneu-moconiosis cases using the data of the incidence of pneumoconiosis in 2010. Results: With reference to the appli-cation requirements of the MSN model, results of the principal component analysis, and expert experience, the 172 counties (districts) in Hebei Province were divided into three categories with mild, moderate, and severe pneumoconiosis hazards...
January 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
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